CN116161517B - Household elevator door anti-pinch device - Google Patents
Household elevator door anti-pinch device Download PDFInfo
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- CN116161517B CN116161517B CN202310463226.4A CN202310463226A CN116161517B CN 116161517 B CN116161517 B CN 116161517B CN 202310463226 A CN202310463226 A CN 202310463226A CN 116161517 B CN116161517 B CN 116161517B
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- door
- elevator
- rubber sleeve
- double
- rectangular rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
- B66B13/26—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between closing doors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/143—Control systems or devices electrical
- B66B13/146—Control systems or devices electrical method or algorithm for controlling doors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Abstract
The invention discloses a household elevator door anti-pinch device, which relates to the technical field of household elevators, and is based on an elevator operation principle, and particularly relates to a household elevator.
Description
Technical Field
The invention relates to the technical field of home elevators, in particular to a home elevator door anti-clamping device.
Background
An elevator is used as a permanent transportation device for rigid track movement in public places (markets, office buildings and the like), and is mainly assembled by a guide structure, a traction system, an electric/air control system, a lift car and a door system, and the operation process is as follows: the door system opens the elevator door-the passenger enters the car-closes the elevator door-pulls the car up or down.
The elevator is divided into home use and business use, the operation processes of the two are not obviously different, namely the difference between the use specification and the use place of the two is only that the home use elevator is used for villas, and the elevator is provided with a clamp prevention device in most of the two structures, in particular to a touch plate type and a light curtain type, the light curtain is gradually replaced by the touch plate type, but the clamp prevention device has an alarm blind area, and the home use elevator has higher safety requirements because the use group comprises children and old people, and in the use process of the home use elevator, accidents can occur, such as the elevator door clamps the clothes or the trunk of the children or the old people, or the traction ropes tied on the pets are clamped by the elevator door when the pets enter the elevator;
in terms of a light curtain structure, the light curtain structure essentially consists of a plurality of fine light rays, the light rays between two elevator doors are focused, if one or more light rays are shielded, warning information is sent, the sensitivity of the anti-pinch device can be improved theoretically by increasing the number of the light rays, but gaps still exist among each light ray, if a tight arrangement mode is adopted, the light rays which are close to each other interfere with each other, the problem that shielding exists among the light rays is avoided theoretically, the whole anti-pinch device is similar to a dummy, and the gaps among the light rays cannot timely cope with the unexpected conditions is provided.
Disclosure of Invention
The invention aims to provide a household elevator door anti-clamping device which is used for solving the problem that a door system is difficult to timely cope with accidents such as clamping clothes, pet haulage ropes and the like in the actual running process of a household elevator, so that great potential safety hazards are easy to occur.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a home use lift door anti-pinch device, includes two double-door, main mounting panel, two the double-door is the symmetry setting, be provided with the towing structure in the main mounting panel, install the locating rack board on the double-door upside position, be provided with horizontal displacement detection structure in the main mounting panel in the position of corresponding locating rack board;
a hard rectangular rubber sleeve is arranged at the position of one side of the two double doors, which is close to each other, a plurality of groups of fixed top plates and movable top plates are arranged at the position of one side of the inside of the hard rectangular rubber sleeve, an electric push rod and an embedded controller are arranged at the position of the other side of the inside of the hard rectangular rubber sleeve, the fixed top plates and the movable top plates are distributed in a staggered manner, the movable guide rods and the damper rods are respectively arranged horizontally in the direction of the fixed top plate, which is close to the electric push rod, one end of each damper rod is arranged at the center point of the fixed top plate, the other end of each damper rod is arranged at the inner wall of the hard rectangular rubber sleeve, the number of the movable guide rods is two, the movable guide rods are symmetrically arranged along the damper rods, and the movable guide rods are in sliding connection with the movable top plate;
the movable top plate is far away from the outer wall center point of the electric push rod and is provided with a flat pressing block, the output end of the electric push rod is provided with a fixing frame, one end of the fixing frame is in sliding connection in the double-door, the other end of the fixing frame is provided with a plurality of supporting rods, the supporting rods penetrate through the hard rectangular rubber sleeve, and one end of each supporting rod is arranged on the center point of the movable top plate.
Further provided is that: the towing structure comprises two driving wheels, a steel cable, side fixing blocks and a main fixing block, wherein the two driving wheels are respectively and rotatably installed at two end positions of the main installation plate, the side fixing block is installed on one positioning frame plate, the main fixing block is installed on the other positioning frame plate, the steel cable is wound on the two driving wheels, and two ends of the steel cable are tied on the main fixing block.
Further provided is that: the steel cable forms a closed loop cable structure through two driving wheels and a main fixing block, the side fixing block is connected with the upper side position of the closed loop cable structure, and the main fixing block is arranged on the lower side position of the closed loop cable structure.
Further provided is that: the horizontal displacement detection structure comprises a central frame plate and two displacement sensors, wherein the two displacement sensors are arranged on the central frame plate, the central frame plate is arranged on the central point of the main mounting plate, and the two positioning frame plates are arranged in mirror symmetry along the central frame plate;
the displacement transmission rod and the sliding block are respectively arranged at one end position of the positioning frame plate, which is far away from each other, wherein one of the displacement transmission rod and the sliding block on the positioning frame plate is arranged along the direction from top to bottom, the other one of the displacement transmission rod and the sliding block on the positioning frame plate is arranged along the direction from bottom to top, the transmission ends on the displacement transmission rod and the displacement sensor are matched, and the displacement transmission rod is in sliding connection with the sliding block.
Further provided is that: and a sealing pipe sleeve is arranged at the intersection point of the hard rectangular rubber sleeve and the supporting rod, and the supporting rod is in sliding connection in the sealing pipe sleeve.
Further provided is that: the flexible conductive strips are arranged on the outer wall of one side of the hard rectangular rubber sleeve, which is close to each other, a plurality of conductive points are arranged on the flexible conductive strips, the conductive points are connected in series, gaps are formed in the inner walls of the fixed top plate, the movable top plate and the hard rectangular rubber sleeve, which are close to the flexible conductive strips, and the gap distance between the movable top plate and the inner wall of the hard rectangular rubber sleeve is larger than the gap distance between the fixed top plate and the inner wall of the hard rectangular rubber sleeve.
Further provided is that: the outer wall of the flat pressing block and the outer wall of the fixed top plate are positioned on the same vertical plane, and the outer walls of the flat pressing block and the fixed top plate are parallel to the inner wall of the hard rectangular rubber sleeve.
Further provided is that: the lateral flat plates are arranged on the outer wall positions of the two sides of the fixed top plate and the movable top plate, and the lateral flat plates are matched with the lateral inner walls of the hard rectangular rubber sleeve.
In the use process, the embedded controller comprises a data collection module, a data signal source analysis module and a motion control module, and the operation process comprises the following parts:
s1: and a data collection module: recording the opposite moving speed and moving distance of the double door under the towing structure, wherein the opposite moving speed and moving distance are fixed values, the moving distance is collected by a displacement sensor, and the data collection module calculates the speed time rate of the feedback double door under the door closing state: moving distance/opposite moving speed, and imparting speed time rate of
；
S2: a data signal source analysis module: the data signal source analysis module is a back driving action of the data collection module, and after the double-door opening and closing action is finished, the conducting points are communicated to form a closed-loop circuit when the two flexible conducting strips are completely attached, and the state is set to be a normal running state after the door is closed; in the state that foreign matters exist between the flexible conductive strips, one or more conductive points on the flexible conductive strips cannot form a closed loop circuit, the state is set to be an abnormal operation state after door closing, and a signal source of the foreign matters exist between the double doors is sent;
s3: a motion control module: the motion control module is provided with all control authorities of the data collection module and the data signal source analysis module, and executes the following control actions according to the data collection module and the data signal source analysis module:
action one: combined to speed time rate of
Two door closing action states are set:
1) Normal door closing state of elevator: in this state
For a fixed value, ->
The fluctuation does not occur, the towing structure normally operates, and the door closing action of the double door is normally completed;
2) Abnormal door closing state of elevator: in this state
The values fluctuate and are actually shown +.>
The value is lower than +.>
A value, a signal source with collision information between the two doors is sent, the dragging structure temporarily stops running, and the two doors stop moving;
action two: when the elevator is in a normal door closing state or in an abnormal door closing state, after a signal source of collision information is eliminated, the abnormal door closing state of the elevator is restored to the normal door closing state of the elevator, and the door closing action is completed by double door closing;
and action III: in the second action, firstly, the hard rectangular rubber sleeves are contacted, and the first action and the S2 are combined, so that the method is divided into the following action processing modes:
3) Under the normal running state after the door is closed, starting an electric push rod, synchronously driving the movable top plate to move in the same direction, and extruding the fixed top plate to move synchronously until the fixed top plate and the flat pressing block are utilized to completely extrude the hard rectangular rubber sleeve;
4) Under the abnormal operation state after closing the door, the double door is controlled to be reset and opened through the dragging structure, after the signal source with the foreign matters is eliminated, the double door is driven to move through the dragging structure again, when the normal closing state of the elevator and the normal operation state after closing the door are simultaneously met, the elevator is in a starting state, and if the signal source with collision information or the signal source with the foreign matters occurs, the elevator is not started.
The invention has the following beneficial effects:
1. the invention is based on the elevator operation principle, and particularly relates to a household elevator, firstly, in the elevator operation process, in the normal door closing action, the speed time rate in the double door operation state is in a relatively stable state, no obvious fluctuation occurs, otherwise, when a child or the old is positioned in the middle position of the double door and the double door is closed, the speed time rate is fluctuated and reduced because the double door operation process is blocked, then a signal source with collision can be sent out, and the door closing action of the double door can be stopped in time by utilizing the feedback signal source, so that the anti-clamping effect can be achieved;
2. on the basis of playing a role in preventing clamping, a hard rectangular rubber sleeve is additionally arranged on the double door, the hard rectangular rubber sleeve is additionally arranged and does not actively participate in the door closing action of the double door, but an electric push rod pushes a movable top plate and drives a fixed top plate to move, so that the hard rectangular rubber sleeve is passively participated in the door closing action of the double door, the gap distance between the movable top plate and the inner wall of the hard rectangular rubber sleeve is further limited to be larger than the gap distance between the fixed top plate and the inner wall of the hard rectangular rubber sleeve, and the purpose is that under the unexpected conditions such as collision, the collision is not directly sent, but the hard rectangular rubber sleeve is used for relieving the collision process, so that the purpose of further protection is achieved;
3. when closing the door is accomplished to two opening the door, further utilize flexible conductive tape, the last intercommunication of flexible conductive tape is less than human safe current's electric current, in the signal source that has the foreign matter, because a plurality of conductive point positions on the flexible conductive tape are in the series arrangement, so at a certain or a plurality of conductive point positions because receive the foreign matter to hinder, make the unable intercommunication of circuit wherein, can send out the signal source that has the foreign matter then, restrict elevator operation then, avoid elevator operation when this signal source appears.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a home elevator door anti-pinch device according to the present invention;
fig. 2 is a schematic structural view of a main mounting plate component in a home elevator door anti-pinch device according to the present invention;
fig. 3 is a schematic structural view of a horizontal displacement detecting structure in a home elevator door anti-pinch device according to the present invention;
fig. 4 is a sectional view of a double door part in a home elevator door anti-pinch device according to the present invention;
fig. 5 is a sectional view of a rigid rectangular rubber sleeve member in a home elevator door anti-pinch device according to the present invention;
fig. 6 is a sectional view of a movable roof part and a fixed roof in a home elevator door anti-pinch device according to the present invention;
fig. 7 is a front view of a movable top plate and a fixed top plate in a home elevator door anti-pinch device according to the present invention.
In the figure: 1. a main mounting plate; 2. double door; 3. a hard rectangular rubber sleeve; 4. a driving wheel; 5. a wire rope; 6. a slide block; 7. a side fixing block; 8. a main fixed block; 9. a displacement transmission rod; 10. a displacement sensor; 11. positioning a frame plate; 12. a central frame plate; 13. a flexible conductive tape; 14. a built-in controller; 15. an electric push rod; 16. a fixing frame; 17. a movable top plate; 1701. flattening the block; 18. fixing the top plate; 1801. a movable guide rod; 1802. a damper rod; 19. a side plate; 20. sealing the tube sleeve.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
In terms of the operation principle of the elevator, the embodiment is particularly suitable for home elevators, because the occupied groups of the home elevators comprise the weaknesses of the old, the children and the like, accidents may occur in the use process of the home elevators, such as that the elevator door clamps the clothes or the trunk of the child or the old, or the traction rope tied on the pet is clamped by the elevator door when the fed pet enters the elevator, therefore, the following technical scheme is provided:
referring to fig. 1 to 7, the anti-pinch device for a home elevator door in this embodiment includes two double-door 2 and a main mounting plate 1, wherein the two double-door 2 are symmetrically arranged, a dragging structure is arranged in the main mounting plate 1, a positioning frame plate 11 is arranged at the upper side position of the double-door 2, and a horizontal displacement detection structure is arranged at the position corresponding to the positioning frame plate 11 in the main mounting plate 1;
a hard rectangular rubber sleeve 3 is arranged at a position on one side, close to each other, of the two double doors 2, a plurality of groups of fixed top plates 18 and movable top plates 17 are arranged at a position on one side inside the hard rectangular rubber sleeve 3, electric push rods 15 and embedded controllers 14 are arranged at a position on the other side inside the hard rectangular rubber sleeve 3, the fixed top plates 18 and the movable top plates 17 are distributed in a staggered manner, a movable guide rod 1801 and a damper rod 1802 which are horizontally arranged are respectively arranged in the direction, close to the electric push rods 15, of the fixed top plates 18, one end of the damper rod 1802 is arranged at the central point position of the fixed top plates 18, the other end of the damper rod 1802 is arranged at the inner wall position of the hard rectangular rubber sleeve 3, the number of the movable guide rods 1801 is two, the movable guide rods 1801 are symmetrically arranged along the damper rod 1802, and the movable guide rods 1801 are in sliding connection with the movable top plates 17;
the movable top plate 17 is far away from the center point of the outer wall of the electric push rod 15 and is provided with a flat pressing block 1701, the output end of the electric push rod 15 is provided with a fixing frame 16, one end of the fixing frame 16 is in sliding connection with the double door 2, the other end of the fixing frame 16 is provided with a plurality of supporting rods, the supporting rods penetrate through the hard rectangular rubber sleeve 3, one end of each supporting rod is arranged on the center point of the movable top plate 17, the towing structure comprises two driving wheels 4, a steel rope 5, side fixing blocks 7 and a main fixing block 8, the two driving wheels 4 are respectively and rotatably arranged on the two end positions of the main mounting plate 1, the side fixing blocks 7 are arranged on one positioning frame plate 11, the main fixing block 8 is arranged on the other positioning frame plate 11, the steel rope 5 is wound on the two driving wheels 4, two ends of the steel rope 5 are bound on the main fixing blocks 8, the steel rope 5 forms a closed loop structure through the two driving wheels 4 and the main fixing blocks 8, the side fixing blocks 7 are connected with the upper side positions of the closed loop structure, and the main fixing block 8 is arranged on the lower side position of the closed loop structure.
The horizontal displacement detection structure comprises a central frame plate 12 and two displacement sensors 10, wherein the two displacement sensors 10 are arranged on the central frame plate 12, the central frame plate 12 is arranged on the central point of the main mounting plate 1, and the two positioning frame plates 11 are arranged in mirror symmetry along the central frame plate 12;
the displacement transmission rod 9 and the sliding block 6 are respectively installed on the one end positions, away from each other, of the positioning frame plates 11, the displacement transmission rod 9 and the sliding block 6 on one positioning frame plate 11 are arranged in the direction from top to bottom, the displacement transmission rod 9 and the sliding block 6 on the other positioning frame plate 11 are arranged in the direction from bottom to top, the transmission ends of the displacement transmission rod 9 and the displacement sensor 10 are matched, the displacement transmission rod 9 is in sliding connection on the sliding block 6, the sealing pipe sleeve 20 is installed on the intersection point position of the hard rectangular rubber sleeve 3 and the supporting rod, and the supporting rod is in sliding connection in the sealing pipe sleeve 20.
Operation principle: firstly, for the conventional elevator operation process, a driving structure (the dragging structure in the embodiment is aimed at) is used for driving the double door 2 to move, so that two actions of closing or opening the double door are realized, the elevator can preset the operation speed of the double door under the normal operation condition, but in the door closing process, if a child or an old person is accidentally positioned at the middle position of the double door 2, the double door 2 is blocked during the door closing process, at the moment, the motion of the double door 2 is slightly blocked, then a signal source with collision is fed back by the displacement sensor 10 in cooperation with the embedded controller 14, so that the operation state of the dragging structure is limited, the door closing action is stopped temporarily, or the double door 2 is reset again, and the key technical point in the invention is that whether the collision can be reacted in a short time, so that the accident that the old person or the child is injured is prevented;
in addition, after the door closing action is finished, a flexible conductive belt 13 is additionally arranged on the hard rectangular rubber sleeve 3, the flexible conductive belt 13 is connected with a current lower than the safety voltage of a human body, then after the door closing action, if a situation of clamping foreign matters exists between the two hard rectangular rubber sleeves 3, such as a foreign matters and a haulage rope of a pet, one or more conductive points on the flexible conductive belt 13 are not communicated, a signal source with the foreign matters is sent, when the signal source with the foreign matters occurs, the elevator is not started until the signal source with the foreign matters is eliminated, and the elevator can be started, so that the accident situation is further avoided.
Example two
The embodiment is based on the first embodiment, and another part of optimization and improvement are made on the double door structure:
the flexible conducting strips 13 are arranged on the outer wall of one side, close to each other, of the hard rectangular rubber sleeve 3, the flexible conducting strips 13 are provided with a plurality of conducting points, the conducting points are connected in series, a fixed top plate 18, a movable top plate 17 and the inner wall, close to the flexible conducting strips 13, of the hard rectangular rubber sleeve 3 are provided with gaps, the gap distance between the movable top plate 17 and the inner wall of the hard rectangular rubber sleeve 3 is larger than the gap distance between the fixed top plate 18 and the inner wall of the hard rectangular rubber sleeve 3, the outer wall of the flat pressing block 1701 and the outer wall of the fixed top plate 18 are located on the same vertical plane, the flat pressing block 1701, the outer wall of the fixed top plate 18 and the inner wall of the hard rectangular rubber sleeve 3 are parallel, the side flat plates 19 are arranged on the outer wall of the two sides of the fixed top plate 18 and the outer wall of the two sides of the movable top plate 17, and the side flat plates 19 are matched with the side inner walls of the hard rectangular rubber sleeve 3.
The technical advantages are that: referring specifically to fig. 4, 5, 6, and 7, the hard rectangular rubber sleeve 3 is disposed at a position close to one end of the double door 2, and further limits the gap distance between the movable top plate 17 and the inner wall of the hard rectangular rubber sleeve 3 to be greater than the gap distance between the fixed top plate 18 and the inner wall of the hard rectangular rubber sleeve 3, and its purpose includes two points:
first point: the hard rectangular rubber sleeve 3 does not actively participate in the door closing action of the double door 2, but the electric push rod 15 drives the movable top plate 17 and the fixed top plate 18 to move until the hard rectangular rubber sleeve 3 is completely extruded, and the hard rectangular rubber sleeve 3 is extruded to enable the double door 2 to have certain flexibility by 'passively' completing the door closing action;
second point: in combination with the content of the first point and the signal source in the first embodiment, when collision occurs, the rigid rectangular rubber sleeve 3 reduces the direct impact force to the old or the child, so that the accident caused by the direct impact of the double door 2 to the old or the child is avoided.
Example III
The present embodiment is a technical content combining the first embodiment and the second embodiment, and is integrated as follows:
in the use process, the embedded controller 14 comprises a data collection module, a data signal source analysis module and a motion control module, and the operation process comprises the following parts:
s1: and a data collection module: recording the opposite moving speed and moving distance of the double door 2 under the towing structure, wherein the opposite moving speed and moving distance are fixed values, the moving distance is collected by a displacement sensor 10, and the data collection module calculates the speed time rate of the feedback double door 2 under the door closing state: moving distance/opposite moving speed, and imparting speed time rate of
；
S2: a data signal source analysis module: the data signal source analysis module is a back driving action of the data collection module, after the door closing action of the double-door 2 is completed, the conductive points of the two flexible conductive strips 13 are communicated to form a closed loop circuit when the two flexible conductive strips are completely attached, and the state is set to be a normal running state after the door is closed; in the state that foreign matters exist between the flexible conductive strips 13, one or more conductive points on the flexible conductive strips 13 cannot form a closed loop circuit, the state is set to be an abnormal operation state after door closing, and a signal source of the foreign matters exist between the double doors 2 is sent;
s3: a motion control module: the motion control module is provided with all control authorities of the data collection module and the data signal source analysis module, and executes the following control actions according to the data collection module and the data signal source analysis module:
action one: combined to speed time rate of
Two door closing action states are set:
1) Normal door closing state of elevator: in this state
For a fixed value, ->
The fluctuation does not occur, the towing structure normally operates, and the door closing action of the double door 2 is normally completed;
2) Abnormal door closing state of elevator: in this state
The values fluctuate and are actually shown +.>
The value is lower than +.>
Value, signal source for transmitting collision information between two doors 2 and mopThe drag structure temporarily stops running, and the double door 2 stops moving;
action two: when the elevator is in a normal door closing state or in an abnormal door closing state, after a signal source of collision information is eliminated, the abnormal door closing state of the elevator is restored to the normal door closing state of the elevator, and then the double door 2 is closed to finish door closing action;
and action III: in the second action, first, the rigid rectangular rubber sleeves 3 are contacted, and the first action and the second action are combined, and the following action processing modes are adopted:
3) Under the normal running state after the door is closed, the electric push rod 15 is started, the movable top plate 17 is synchronously driven to move in the same direction, the fixed top plate 18 is extruded to move synchronously, and the rigid rectangular rubber sleeve 3 is completely extruded by the fixed top plate 18 and the flat pressing block 1701;
4) Under the abnormal operation state after closing the door, the double door 2 is controlled to be reset and opened through the dragging structure, after the signal source with the foreign matters is eliminated, the double door 2 is driven to move through the dragging structure again, when the normal closing state of the elevator and the normal operation state after closing the door are simultaneously met, the elevator is in a starting state, and if the signal source with collision information or the signal source with the foreign matters occurs, the elevator is not started.
To sum up: the elevator is characterized by taking an elevator operation principle as a basis, particularly a household elevator, when a double door is closed in the elevator, a signal source of collision information exists between the double door is fed back according to the operation state of the double door, the signal source is used for controlling interruption or continuous two states in the closing and closing actions, on the basis, a hard rectangular rubber sleeve is additionally arranged on the double door, the hard rectangular rubber sleeve does not actively participate in the closing and closing actions of the double door, the purpose of contracting the double door is achieved passively after a movable top plate and a fixed top plate are matched when the door is closed, on the basis, a flexible conducting belt is additionally arranged, on the basis of being lower than the safety voltage of a human body, when the signal source of foreign matter information exists, the elevator is not started, and in addition, the hard rectangular rubber sleeve plays a role of buffering protection when in direct collision.
The foregoing is merely illustrative and explanatory of the invention, as it is well within the scope of the invention as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the invention as defined in the accompanying claims.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (9)
1. The utility model provides a home use elevator door anti-pinch device, includes two double-door (2), main mounting panel (1), its characterized in that, two double-door (2) are the symmetry setting, be provided with the towing structure in main mounting panel (1), install locating frame plate (11) on the upside position of double-door (2), be provided with horizontal displacement detection structure in main mounting panel (1) in the position of corresponding locating frame plate (11);
a hard rectangular rubber sleeve (3) is arranged at one side position of the two double doors (2) close to each other, a plurality of groups of fixed top plates (18) and movable top plates (17) are arranged at one side position inside the hard rectangular rubber sleeve (3), an electric push rod (15) and an embedded controller (14) are arranged at the other side position inside the hard rectangular rubber sleeve (3), the fixed top plates (18) and the movable top plates (17) are distributed in a staggered mode, a movable guide rod (1801) and a damper rod (1802) which are horizontally arranged are respectively arranged in the direction of the fixed top plates (18) close to the electric push rod (15), one end of the damper rod (1802) is arranged at the center point position of the fixed top plates (18), the other end of the damper rod (1802) is arranged at the inner wall position of the hard rectangular rubber sleeve (3), the movable guide rods (1801) are arranged in two, the movable guide rods (1801) are symmetrically arranged along the movable guide rods (1802), and the movable guide rods (1801) are in sliding connection with the movable top plates (17);
the movable top plate (17) is far away from the outer wall center point of the electric push rod (15) and is provided with a flat pressing block (1701), the output end of the electric push rod (15) is provided with a fixing frame (16), one end of the fixing frame (16) is in sliding connection in the double-door (2), the other end of the fixing frame (16) is provided with a plurality of supporting rods, the supporting rods penetrate through the hard rectangular rubber sleeve (3), and one end of each supporting rod is arranged on the center point of the movable top plate (17).
2. The home elevator door anti-pinch device according to claim 1, wherein the towing structure comprises two driving wheels (4), a steel cable (5), side fixing blocks (7) and a main fixing block (8), wherein the two driving wheels (4) are rotatably mounted at two end positions of the main mounting plate (1), the side fixing blocks (7) are mounted on one of the positioning frame plates (11), the main fixing block (8) is mounted on the other positioning frame plate (11), the steel cable (5) is wound on the two driving wheels (4), and two ends of the steel cable (5) are tied on the main fixing block (8).
3. A home elevator door anti-pinch device according to claim 2, characterized in that the steel rope (5) forms a closed loop rope structure by means of two driving wheels (4) and a main fixing block (8), the side fixing block (7) being connected between the upper side position of the closed loop rope structure and the main fixing block (8) being arranged in the lower side position of the closed loop rope structure.
4. A home elevator door anti-pinch device according to claim 1, characterized in that the horizontal displacement detection structure comprises a central frame plate (12) and two displacement sensors (10), wherein the two displacement sensors (10) are mounted on the central frame plate (12), the central frame plate (12) is mounted on the central point of the main mounting plate (1), and the two positioning frame plates (11) are arranged in mirror symmetry along the central frame plate (12);
the automatic positioning device is characterized in that a displacement transmission rod (9) and a sliding block (6) are respectively arranged at one end position, away from each other, of the positioning frame plate (11), wherein the displacement transmission rod (9) and the sliding block (6) on the positioning frame plate (11) are arranged in the direction from top to bottom, the displacement transmission rod (9) and the sliding block (6) on the positioning frame plate (11) are arranged in the direction from bottom to top, the transmission ends of the displacement transmission rod (9) and the displacement sensor (10) are matched, and the displacement transmission rod (9) is in sliding connection with the sliding block (6).
5. The household elevator door anti-pinch device according to claim 1, wherein a sealing sleeve (20) is arranged at the intersection point of the rigid rectangular rubber sleeve (3) and the supporting rod, and the supporting rod is in sliding connection in the sealing sleeve (20).
6. The household elevator door anti-pinch device according to claim 1, wherein flexible conductive strips (13) are arranged on the outer wall of one side of the hard rectangular rubber sleeve (3) which is close to each other, a plurality of conductive points are arranged on the flexible conductive strips (13), the conductive points are connected in series, gaps are formed between the fixed top plate (18), the movable top plate (17) and the inner wall of the hard rectangular rubber sleeve (3) which is close to the flexible conductive strips (13), and the gap distance between the movable top plate (17) and the inner wall of the hard rectangular rubber sleeve (3) is larger than the gap distance between the fixed top plate (18) and the inner wall of the hard rectangular rubber sleeve (3).
7. The home elevator door anti-pinch device according to claim 1, wherein the outer wall of the Ping Yakuai (1701) and the outer wall of the fixed top plate (18) are located on the same vertical plane, and the flat pressing block (1701), the outer wall of the fixed top plate (18) and the inner wall of the hard rectangular rubber sleeve (3) are parallel.
8. The household elevator door anti-pinch device according to claim 7, wherein the side flat plates (19) are arranged on the outer wall positions of the two sides of the fixed top plate (18) and the movable top plate (17), and the side flat plates (19) are matched with the side inner walls of the hard rectangular rubber sleeve (3).
9. The home elevator door pinch prevention device according to any one of claims 1-8, wherein, in use, the embedded controller (14) comprises a data collection module, a data signal source analysis module and a motion control module, and the operation process comprises the following parts:
s1: and a data collection module: recording the opposite movement speed and the movement distance of the double door (2) under a towing structure, wherein the opposite movement speed and the movement distance are fixed values, the movement distance is collected by a displacement sensor (10), and the speed time rate of the feedback double door (2) under a door closing state is calculated by a data collecting module: moving distance/opposite moving speed, and imparting speed time rate of
；
S2: a data signal source analysis module: the data signal source analysis module is a back driving action of the data collection module, after the door closing action of the double-door (2) is completed, the conductive points of the two flexible conductive strips (13) are communicated to form a closed loop circuit when the two flexible conductive strips are completely attached, and the state is set to be a normal running state after the door is closed; in a state that foreign matters exist between the flexible conductive strips (13), one or more conductive points on the flexible conductive strips (13) cannot form a closed loop circuit, the state is set to be an abnormal operation state after the door is closed, and a signal source of the foreign matters existing between the double doors (2) is sent;
s3: a motion control module: the motion control module is provided with all control authorities of the data collection module and the data signal source analysis module, and executes the following control actions according to the data collection module and the data signal source analysis module:
action one: combined to speed time rate of
Two door closing action states are set:
1) Normal door closing state of elevator: in this state
For a fixed value, ->
The fluctuation does not occur, the towing structure normally operates, and the door closing action of the double door (2) is normally completed;
2) Abnormal door closing state of elevator: in this state
The values fluctuate and are actually shown +.>
The value is lower than +.>
A value, a signal source with collision information exists between the double doors (2) is sent, the dragging structure temporarily stops running, and the double doors (2) stop moving;
action two: when the elevator is in a normal door closing state or in an abnormal door closing state, after a signal source of collision information is eliminated, the abnormal door closing state of the elevator is restored to the normal door closing state of the elevator, and then the double door (2) is closed to finish door closing action;
and action III: in the second action, firstly, the hard rectangular rubber sleeves (3) are contacted, and the first action and the second action are combined, and the method is divided into the following action processing modes:
3) Under the normal running state after the door is closed, an electric push rod (15) is started to synchronously drive a movable top plate (17) to move in the same direction, and a fixed top plate (18) is extruded to synchronously move until a rigid rectangular rubber sleeve (3) is completely extruded by the fixed top plate (18) and a flat pressing block (1701);
4) Under the abnormal running state after closing the door, the double door (2) is controlled to be reset and opened through the dragging structure, after the signal source with the foreign matters is eliminated, the double door (2) is driven to move through the dragging structure again, when the normal closing state of the elevator and the normal running state after closing the door are simultaneously met, the elevator is in a starting state, and if the signal source with collision information or the signal source with the foreign matters exists, the elevator is not started.
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| CN202310463226.4A CN116161517B (en) | 2023-04-26 | 2023-04-26 | Household elevator door anti-pinch device |
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| CN106044502A (en) * | 2016-08-15 | 2016-10-26 | 广东新力欧菲尔电梯有限公司 | Elevator door anti-collision protection system and using method |
| CN110054066A (en) * | 2019-05-08 | 2019-07-26 | 福建省特种设备检验研究院 | A kind of elevator cage door anti-pinch protection method based on ultrasound |
| CN214114609U (en) * | 2020-12-31 | 2021-09-03 | 苏州多美适家用电梯有限公司 | Anti-clamping device for household elevator door and household elevator |
| CN214780144U (en) * | 2021-06-08 | 2021-11-19 | 曼宁电梯(湖州)有限公司 | Driving device for double-open elevator door |
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- 2023-04-26 CN CN202310463226.4A patent/CN116161517B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106044502A (en) * | 2016-08-15 | 2016-10-26 | 广东新力欧菲尔电梯有限公司 | Elevator door anti-collision protection system and using method |
| CN110054066A (en) * | 2019-05-08 | 2019-07-26 | 福建省特种设备检验研究院 | A kind of elevator cage door anti-pinch protection method based on ultrasound |
| CN214114609U (en) * | 2020-12-31 | 2021-09-03 | 苏州多美适家用电梯有限公司 | Anti-clamping device for household elevator door and household elevator |
| CN214780144U (en) * | 2021-06-08 | 2021-11-19 | 曼宁电梯(湖州)有限公司 | Driving device for double-open elevator door |
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